species Guyanhyrida demeraraensis (Lea, 1859): synonymy

Unio demararaensis Lea, 1859

(incorrect original spelling of Unio demeraraensis Lea, 1859)
Lea, 1859. Proc. Acad. Nat. Sci. 11: 152.
Lea, 1870. Synopsis Fam. Naiades: 36, Corridenda et Addenda.

Diplodon (s.s.) demararaensis [sic] — Simpson (1900)
Diplodon (s.s.) demeraraensis — Simpson (1914)
Diplodon suavidicus — Haas (1930), Bieler (2021)
Diplodon (s.s.) suavidicus — Haas (1969)

Unio demeraraensis Lea, 1859

(correct name for Unio demararaensis Lea, 1859)
Lea, 1859. Proc. Acad. Nat. Sci. 11: 152 [as ‘demararaensis’].
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 253 [71], pl. 39, fig. 133.
Lea, 1870. Synopsis Fam. Naiades: Corridenda et Addenda.
Type(s): TYPE BMNH_1964141, Demerara.

Diplodon (s.s.) demararaensis [sic] — Simpson (1900)
Diplodon (s.s.) demeraraensis — Simpson (1914)
Diplodon rhombeus — Parodiz (1968)
Rhipidodonta suavidica — Simone (2006)
Diplodon demeraraensis — Graf et al. (2015), Santos-Neto et al. (2016), Bolotov et al. (2016), Wu et al. (2021)
Diplodon suavidicus — Huang et al. (2019), Bieler (2021), Campbell & Lydeard (2026)
Guyanhyrida demeraraensis — Prié et al. (2026)

Diplodon suavidicus ‘Lea’ of Authors

(misidentified reference to Unio suavidicus Lea, 1856)
‘Lea’ of Authors.
Bolotov et al., 2017. Sci. Repts. 7: Table S1.
Bolotov et al., 2017. Sci. Repts. 7: Table S1.
Konopleva et al., 2017. Systemat. Biodiv. 15(3): 208.
Huang et al., 2019. MPE 130: Table S4.

Unio demarasensis Paetel, 1890

(error for Unio demeraraensis Lea, 1859)
‘Lea’ Paetel, 1890. Cat. Conch.-Samml. 3: 150.

Diplodon (s.s.) demararaensis [sic] — Simpson (1900)
Diplodon (s.s.) demeraraensis — Simpson (1914)

Unio demerarensis Parodiz, 1968

(error for Unio demeraraensis Lea, 1859)
‘Lea’ Parodiz, 1968. Sterkiana 30: 4.

Rhipidodonta demarcaraensis Simone, 2006

(error for Unio demeraraensis Lea, 1859)
‘Lea’ Simone, 2006. Land. Freshw. Moll. Brazil.: 271.